--- a/doc/refcard/refcard.tex	Tue Jan 20 09:55:41 2015 -0500
+++ b/doc/refcard/refcard.tex	Tue Jan 20 10:24:46 2015 -0500
@@ -577,7 +577,7 @@
 global {\it var1} ...&Declare variables global.\cr
 global {\it var1} = {\it val}&Declare variable global. Set initial value.\cr
 persistent {\it var1}&Declare a variable as static to a function.\cr
-persistent {\it var1} = {\it val}&Declare a variable as static to a 
+persistent {\it var1} = {\it val}&Declare a variable as static to a
   function and set its initial value.\cr
 \omit\hfill\vbox{\rm\vskip0.25ex
   Global variables may be accessed inside the body of a function
@@ -643,16 +643,16 @@
 {\it x} > {\it y}&true if {\it x\/} is greater than {\it y}\cr
 {\it x} != {\it y}&true if {\it x\/} is not equal to {\it y}\cr
 {\it x} \& {\it y}&true if both {\it x\/} and {\it y\/} are true\cr
-{\it x} | {\it y}&true if at least one of {\it x\/} or {\it y\/} is true\cr 
+{\it x} | {\it y}&true if at least one of {\it x\/} or {\it y\/} is true\cr
 ! {\it bool}&true if {\it bool\/} is false\cr
 \endsec
 
 \sec Short-circuit Boolean Operators;
 \omit \vbox{\rm\vskip0.75ex
-  Operators evaluate left-to-right. Operands are only evaluated if 
-  necessary, stopping once overall truth value can be determined.  
-  Operands are converted to scalars using the {\tt all} 
-  function.\vskip0.75ex}\span\cr   
+  Operators evaluate left-to-right. Operands are only evaluated if
+  necessary, stopping once overall truth value can be determined.
+  Operands are converted to scalars using the {\tt all}
+  function.\vskip0.75ex}\span\cr
 {\it x} \&\& {\it y}&true if both {\it x\/} and {\it y\/} are true\cr
 {\it x} || {\it y}&true if at least one of {\it x\/} or {\it y\/} is true\cr
 \endsec
@@ -800,14 +800,14 @@
 ones ({\it n}, {\it m})&create {\it n\/} by {\it m\/} matrix of ones\cr
 zeros ({\it n}, {\it m})&create {\it n\/} by {\it m\/} matrix of zeros\cr
 rand ({\it n}, {\it m})&create {\it n\/} by {\it m\/} matrix of random
-  values\cr 
+  values\cr
 \endsec
 
 % sin ({\it a}) cos({\it a}) tan({\it a})&trigonometric functions\cr
 % asin ({\it a}) acos({\it a}) atan({\it a})&inverse trigonometric functions\cr
 % sinh ({\it a}) cosh({\it a}) tanh({\it a})&hyperbolic trig functions\cr
 % asinh ({\it a}) acosh({\it a}) atanh({\it a})&inverse hyperbolic trig
-% functions\cr\cr 
+% functions\cr\cr
 
 \sec Linear Algebra;
 chol ({\it a})&Cholesky factorization\cr
@@ -979,7 +979,7 @@
 
 % For AUCTeX:
 %
-% Local Variables: 
+% Local Variables:
 % mode: tex
 % TeX-master: t
-% End: 
+% End: